#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
int main(int argc, char const *argv[])
{
  time_t T;
  T = time(NULL);
  struct tm *l_time = localtime(&T);
  while (1)
  {
    system("clear");
    T = time(NULL);
    struct tm *l_time = localtime(&T);
    printf("%d年 %d月 %d日 ", l_time->tm_year + 1900, l_time->tm_mon + 1, l_time->tm_mday);
    printf("%d时 %d分 %d秒", l_time->tm_hour, l_time->tm_min, l_time->tm_sec);
    sleep(1);
  }
  return 0;
}